codechef ERROR - "chef and feedback" solution

codechef ERROR - "chef and feedback": http://www.codechef.com/problems/ERROR

codechef ERROR - "chef and feedback" solution: http://ideone.com/h7ahmj

#include <iostream>

#include <cstdio>

#include <cstring>

using namespace std;

int main() {

int t, flag, n;

char c[100000];

scanf("%d", &t);

while(t--) {

scanf("%s", c); 

flag=0; n=strlen(c);

for(int i=0; i<n-2; i++) {

if(c[i]=='1' && c[i+1]=='0' && c[i+2]=='1') { printf("Good\n"); flag=1; break; }

else if(c[i]=='0' && c[i+1]=='1' && c[i+2]=='0') { printf("Good\n"); flag=1; break; }

}

if(flag==0) printf("Bad\n");

}

return 0;

}